private void Login_button_Click(object sender, EventArgs e)//送出帳號密碼時
{
WarningMessage_label.Visible = true;
string s = Password_textBox.Text;
s = s.Replace("%", "%25");
s = s.Replace("+", "%2B");
s = s.Replace(" ", "%20");
s = s.Replace("/", "%2F");
s = s.Replace("?", "%3F");
s = s.Replace("#", "%23");
s = s.Replace("&", "%26");
s = s.Replace("=", "%3D");
Password_textBox.Text = s;
if (Account_textBox.Text == "" || (!Regex.IsMatch(Account_textBox.Text, @"^[[email protected]]*$")))//判斷是否有輸入帳號和是否有特殊自元
{
WarningMessage_label.Text = "Please enter your account.";
Account_textBox.Text = "";
Password_textBox.Text = "";
Account_textBox.Focus();
}
else if (Password_textBox.Text == "")
{
WarningMessage_label.Text = "Please enter your password.";
Password_textBox.Focus();
}
else
{
Account_textBox.Text = ClearString(Account_textBox.Text.ToString());
Password_textBox.Text = ClearString(Password_textBox.Text.ToString());
ValidateAccount();
}
}
private void ValidateAccount()//確認帳號是否正確
{
try
{
//去下列網站認證帳號密碼
WebRequest request = WebRequest.Create("https://vls.yzu.edu.tw/auth-utf8.asp ");
request.Method = "POST";
string postData = "acc=" + Account_textBox.Text +
"&pwd=" + Password_textBox.Text +
"&tkid=" + _TockenID +
"&gpn=" + _Group +
"&cpn=" + _HostName;
byte[] byteArray = Encoding.UTF8.GetBytes(postData);
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = byteArray.Length;
Stream dataStream = request.GetRequestStream();
dataStream.Write(byteArray, 0, byteArray.Length);
dataStream.Close();
WebResponse response = request.GetResponse();
dataStream = response.GetResponseStream();
StreamReader reader = new StreamReader(dataStream);
string responseFromServer = reader.ReadToEnd();
JObject json = JObject.Parse(responseFromServer);
reader.Close();
dataStream.Close();
response.Close();
//判斷是否驗證成功
if (json["authentic"].ToString() == "1")
{
this.Hide();
}
else
{
WarningMessage_label.Text = "登入失敗 Login Failed";
Loading_pictureBox.Visible = false;
Login_button.ForeColor = System.Drawing.Color.Black;
Account_textBox.Enabled = true;
Password_textBox.Enabled = true;
Account_textBox.ResetText();
Password_textBox.ResetText();
Account_textBox.Focus();
}
}
catch (WebException)//無法認證帳號
{
DisconnectUI();
}
}
